*SUPPORT*
IN: tufa lug dax OUT: RED YELLOW YELLOW
IN: tufa OUT: RED
IN: lug OUT: YELLOW
IN: gazzer OUT: PINK
IN: kiki dax OUT: GREEN GREEN
IN: tufa dax wif kiki dax OUT: RED RED GREEN GREEN
IN: tufa wif tufa dax OUT: RED RED RED
IN: gazzer dax OUT: PINK PINK
IN: kiki kiki dax OUT: GREEN GREEN GREEN
IN: lug wif lug OUT: YELLOW YELLOW
IN: kiki lug fep kiki dax OUT: GREEN GREEN GREEN GREEN GREEN YELLOW GREEN GREEN
IN: lug dax wif tufa dax fep kiki OUT: GREEN GREEN YELLOW YELLOW RED RED GREEN
IN: kiki lug fep gazzer OUT: PINK PINK GREEN YELLOW PINK
IN: gazzer tufa dax OUT: PINK RED RED

*QUERY*
IN: tufa tufa wif lug dax OUT: RED RED YELLOW YELLOW
IN: lug kiki dax OUT: YELLOW GREEN GREEN
IN: lug dax OUT: YELLOW YELLOW
IN: tufa dax OUT: RED RED
IN: gazzer gazzer dax wif gazzer dax OUT: PINK PINK PINK PINK PINK
IN: kiki lug dax wif kiki OUT: GREEN YELLOW YELLOW GREEN
IN: kiki lug kiki OUT: GREEN YELLOW GREEN
IN: tufa wif tufa OUT: RED RED
IN: lug dax wif gazzer OUT: YELLOW YELLOW PINK
IN: kiki OUT: GREEN

*GRAMMAR*
tufa -> RED 
 gazzer -> PINK 
 lug -> YELLOW 
 kiki -> GREEN 
 u1 dax -> [u1] [u1] 
 x1 fep x2 -> [x2] [x2] [x1] [x2] 
 x1 wif x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 